[HTML][HTML] Kraft black liquor as a renewable source of value-added chemicals

L Pola, S Collado, P Oulego, M Díaz - Chemical Engineering Journal, 2022 - Elsevier
Around 1.3 billion tonnes of weak Kraft black liquor is produced every year, and is usually
concentrated by evaporation and burned to produce energy. Nevertheless, this strategy …

Lignin recovery from spent alkaline pulping liquors using acidification, membrane separation, and related processing steps: A review

MA Hubbe, R Alén, M Paleologou, M Kannangara… - BioResources, 2019 - jyx.jyu.fi
The separation of lignin from the black liquor generated during alkaline pulping is reviewed
in this article with an emphasis on chemistry. Based on published accounts, the precipitation …

Graphene oxide nanofiltration membranes for desalination under realistic conditions

Z Wang, C Ma, C Xu, SA Sinquefield, ML Shofner… - Nature …, 2021 - nature.com
The demands of clean water production and wastewater recycling continue to drive
nanofiltration membrane development. Graphene oxide (GO) membranes have exhibited …

An environmentally friendly approach for industrial wastewater treatment and bio-adsorption of heavy metals using Pistacia soft shell (PSS) through flocculation …

B Nazari, S Abdolalian, M Taghavijeloudar - Environmental Research, 2023 - Elsevier
In this research, the potential application of Pistacia soft shell (PSS) was investigated as a
novel bio-based flocculant for pulp and paper wastewater (PPWW) treatment. In line with …

Bio-based platform chemicals synthesized from lignin biorefinery

R Hu, J Zhan, Y Zhao, X Xu, G Luo, J Fan, JH Clark… - Green …, 2023 - pubs.rsc.org
Bio-based chemicals synthesized by lignin offer a promising pathway of bioenergy utilization
to achieve the target of the Paris Agreement with< 2° C of climate warming temperature …

Green is the new black–a review of technologies for carboxylic acid recovery from black liquor

L Reyes, C Nikitine, L Vilcocq, P Fongarland - Green Chemistry, 2020 - pubs.rsc.org
Carboxylic acids are one of the most important building blocks and feedstocks for fine
chemicals, flavors and polymers, yet their production largely relies on petrochemical …

Lignin separation from black liquor by mixed matrix polysulfone nanofiltration membrane filled with multiwalled carbon nanotubes

I Ferreira, P Alves, MH Gil, LM Gando-Ferreira - Separation and …, 2021 - Elsevier
Abstract Carbon nanotubes (CNT)/polysulfone (PSf) mixed matrix membranes (MMM) were
prepared by the non-solvent induced phase inversion method and applied in the separation …

[HTML][HTML] Effect of activated carbon nanoparticles on the performance of PES nanofiltration membranes to separate kraft lignin from black liquor

M Sharma, P Alves, LM Gando-Ferreira - Journal of Water Process …, 2023 - Elsevier
In this work, activated carbon nanoparticles (AC) at concentrations ranging from 0 to 1 wt%
were used to prepare polyethersulfone nanofiltration membranes. The effectiveness of these …

Membrane filtration of kraft lignin: Structural charactristics and antioxidant activity of the low-molecular-weight fraction

S Aminzadeh, M Lauberts, G Dobele… - Industrial Crops and …, 2018 - Elsevier
Lignin, which is the second most abundant biomass component and has carbon-rich
phenolic content, is a promising renewable raw material for multiple applications, such as …

Membrane fouling prevention and control strategies in pulp and paper industry applications: A review

A Bokhary, A Tikka, M Leitch, B Liao - Journal of Membrane Science …, 2018 - msrjournal.com
Membrane technologies have been utilized for the treatment of PPI effluent and sludges
since the late 1960's. Recently, they received increasing attention due to their short …